To initiate contact with past lovers, hook-up buddies, and one night stands after long intervals of time with no communication for the purposes of:
1) ensuring that he/she will indulge in the thought of you
2) that he/she will reminiscence about past passion,

3) he/she will try to pick up where you last dropped off, and/or
4) seeing if he/she can still be considered your ho

1) I just engaged in "ho-maintenance" by sending mass text messages to past hook-ups only during the holidays
2) I engage in ho-maintenance by calling ho's while drunk just to see what they are doing after not talking to them after a long time
3) I did ho-maintenance by sending text messages like "I was just thinking about you" after months of not contacting them